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bib96356

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function minpsi=cheshi2(j,k)
phi1=0:1:90;
phi2=0;
bigphi0=0:1:90;
for i=1:length(bigphi0)
    bigphi=bigphi0(i);
    B(1,1,:,i)=cosd(phi1)*cosd(phi2)-sind(phi1)*sind(phi2)*cosd(bigphi);
    B(1,2,:,i)=sind(phi1)*cosd(phi2)+cosd(phi1)*sind(phi2)*cosd(bigphi);
    B(1,3,:,i)=sind(phi2)*sind(bigphi);
    B(2,1,:,i)=-cosd(phi1)*sind(phi2)-sind(phi1)*cosd(phi2)*cosd(bigphi);
    B(2,2,:,i)=-sind(phi1)*sind(phi2)+cosd(phi1)*cosd(phi2)*cosd(bigphi);
    B(2,3,:,i)=cosd(phi2)*sind(bigphi);
    B(3,1,:,i)=sind(phi1)*sind(bigphi);
    B(3,2,:,i)=-cosd(phi1)*sind(bigphi);
    B(3,3,:,i)=cosd(bigphi);
end

grain1=[2 -1 1;1 1 -1;0 1 1]; %grain1µÄthita½ÇºÍpsi½Ç
n0=[1,1,1];
n0=n0/norm(n0);
N0=n0*grain1;
N0=N0/norm(N0);
thita0=atan(-N0(1)/N0(3));
psi0=atan(-N0(1)/N0(2));

n1=[1,1,1]; %grain2µÄthita½ÇºÍpsi½Ç
n1=n1/norm(n1);
N1=n1*B(:,:,j,k);
N1=N1/norm(N1);
psi(1)=atan(-N1(1)/N1(2));

n2=[1,-1,1];
n2=n2/norm(n2);
N2=n2*B(:,:,j,k);
N2=N2/norm(N2);
psi(2)=atan(-N2(1)/N2(2));

n3=[1,1,-1];
n3=n3/norm(n3);
N3=n3*B(:,:,j,k);
N3=N3/norm(N3);
psi(3)=atan(-N3(1)/N3(2));

n4=[-1,1,1];
n4=n4/norm(n4);
N4=n4*B(:,:,j,k);
N4=N4/norm(N4);
psi(4)=atan(-N4(1)/N4(2));
for h=1:4
    bigpsi(h)=psi(h)-psi0;
end
minpsi=min(bigpsi);
minpsi

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zjliu1265

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

ÏÖÔÚÇ÷ÊÆÒ²²»¶Ô£¬Ê×ÏÈÐèÒª±£Ö¤µÄÊÇÄãдµÄcheshi2.m³ÌÐòµÄÕýÈ·ÐÔ°¡¡£
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4Â¥2009-09-18 17:03:41
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²é¿´È«²¿ 4 ¸ö»Ø´ð

zjliu1265

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
wuguocheng(½ð±Ò+1,VIP+0): ллÄãµÄ³ÌÐò 9-18 07:21
bib96356(½ð±Ò+5,VIP+0): 9-18 12:53
ÓÃÏÂÃæÕâ¶Î³ÌÐòµ÷ÓÃÄãдµÄcheshi2º¯Êý¾Í¿ÉÒÔ»­³öµÈ¸ßÏßÁË
jj=1:20;
kk=1:30;
for m=1:length(jj);
    for n=1:length(kk);
        NN(m,n)=cheshi2(jj(m),kk(n));
    end
end
contour(kk,jj,NN)
2Â¥2009-09-18 07:03:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bib96356

½ð³æ (ÕýʽдÊÖ)

×ö³öÀ´µÄͼ²»ÊÇÎÒÏëÒªµÄ°¡£¬Âé·³ÔÚ°ïæ¿´¿´°¡
3Â¥2009-09-18 12:52:53
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